Dithizone AR 25GM | |||
20650SG025 | 880520329AV | ||
AR | 8805203 | ||
60-10-6 | 81961 | ||
C13H12N4S | January 2022 | ||
256.32 | December 2026 | ||
Sr.No. | Test | Result | Specification |
---|---|---|---|
1 | Description | Black crystalline powder | Black or purple black crystalline powder |
2 | Solubility | Passes | 0.1% soln. in acetone should not become green to brown within 6 days |
3 | Assay | 85.20% | Min.85.00% |
4 | Absorptivity(A,1%,1cm,L max 605nm, CHCl3) | 1544 | Min. 1522 |
5 | Chloroform insoluble matter | Passes | Passes test |
6 | Sulphated ash | 0.1% | 0.2% max |
7 | Lead (Pb) | Less than 0.001% | 0.001% max |
Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |